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[A]: Growth curve is the graphic represe...

[A]: Growth curve is the graphic representa- tion of the total growth against time.
[R]: Population growth curves are of two types-J shaped and S shaped

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

Text Solution

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The correct Answer is:
B
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TRUEMAN BIOLOGY-Applications of Biology -ASSERTION AND REASON
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  3. [A]: Decrease in mortality would result in decreased population growth...

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  4. Assertion. Death is regarded as the most regulatory process on earth. ...

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  5. [A]: The ideas of Thomas Malthus are more applicable today. [R]: ...

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  6. [A]: Since 1960 s, there is a dramatic in- crease in human population ...

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  7. [A]: Oral contraceptive pills are meant for family planning purpose. ...

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  8. [A]: Environment resistance does not limit population growth. [R]...

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  9. [A]: Growth curve is the graphic representa- tion of the total growth ...

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  10. [A]: Demography is the study of human popu- lation growth & production...

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  11. Assertion : Interferons are a type of antibodies produced by body cell...

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  12. Assertion (A): Organ transplantation patients are given immunosuppress...

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  13. Assertion : Persons suffering from haemophillia fail to produce blood ...

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  14. [A] : Sensescence in the time when age as- sociated defects are manif...

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  15. Assetion: In recombinant DNA technology, human genes are often transfe...

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  16. Assertion : Agrobacterium tumefaciens is popular in genetic engineerin...

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  17. [A]: Typhoid carriers may be cured by remov- ing their spleen. [R...

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  18. [A]: Foot and mouth disease causes ulceration in mouth and hoof clefts...

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  19. [A] : A blood dialyser is an artificial kidney which can sustain kidne...

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  20. Assertion. Somaclonal variations occur in tissue culture processes. ...

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